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Article

Rapid regulatory evolution of a nonrecombining autosome linked to divergent behavioral phenotypes.

Proceedings of the National Academy of Sciences of the United States of America - 13 Mar 2018

Sun Dan, Huh Iksoo, Zinzow-Kramer Wendy M, Maney Donna L, Yi Soojin V

Abstract excerpt

In the white-throated sparrow (Zonotrichia albicollis), the second chromosome bears a striking resemblance to sex chromosomes. First, within each breeding pair of birds, one bird is homozygous for the standard arrangement of the chromosome (ZAL2/ZAL2) and its mate is heterozygous for a different version (ZAL2/ZAL2m). Second, recombination is profoundly suppressed between the two versions, leading to genetic...

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Source

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Identifiers

PMID: 29483264
DOI: 10.1073/pnas.1717721115
PMCID: PMC5856536

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-07.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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